A mineral-fiber composition

Details A mineral-fiber composition A mineral-fiber composition

C - Chemistry, Metallurgy

03

C

C03C 13/00 (2006.01) C03C 13/06 (2006.01)

Patent

CA 2171447

A biologically degradable mineral-fiber composition characterized by the following constituents in percent by weight: SiO2: 40 to less than 52; Al2O3: less than 4; CaO: more than 25 and up to 45; MgO: 5 to 15; BaO: 0 to 7; Na2O: 2 to 12; K2O: 0 to 10; Na2O + K2O: 2 to 15; TiO2, Fe2O3, MnO: 0 to 5.

Composition de fibre minérale dégradable sur le plan biologique, caractérisée en ce qu'elle comprend les constituants suivants en pourcentage pondéral: SiO¿2?: 40 à moins de 52 %; Al¿2?O¿3?: moins de 4 %; CaO: au minimum 25 et au maximum 45 %; MgO: 5 à 15 %; BaO: 0 à 7 %; Na¿2?O: 2 à 12 %; K¿2?O: 0 à 10 %; Na¿2?O + K¿2?O: 2 à 15 %; TiO¿2?, Fe¿2?O¿3?, MnO: 0 à 5 %.

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